Cleanup pyflakes in nova-manage
Cleanup pyflakes in nova-manage

Also fixes bug 1097830

Change-Id: Id0d73950709b92f39b7ab7a915373ace0b1616ae

yatinkumbhare/openstack-nova,cloudbase/nova-virtualbox,ntt-sic/nova,klmitch/nova,petrutlucian94/nova,tudorvio/nova,scripnichenko/nova,takeshineshiro/nova,maoy/zknova,leilihh/nova,Yuriy-Leonov/nova,Tehsmash/nova,mandeepdhami/nova,whitepages/nova,raildo/nova,yatinkumbhare/openstack-nova,luogangyi/bcec-nova,watonyweng/nova,akash1808/nova,mikalstill/nova,gspilio/nova,Juniper/nova,OpenAcademy-OpenStack/nova-scheduler,noironetworks/nova,vmturbo/nova,hanlind/nova,NeCTAR-RC/nova,petrutlucian94/nova,SUSE-Cloud/nova,iuliat/nova,sridevikoushik31/openstack,klmitch/nova,edulramirez/nova,j-carpentier/nova,angdraug/nova,cyx1231st/nova,luogangyi/bcec-nova,alaski/nova,maheshp/novatest,maoy/zknova,Yuriy-Leonov/nova,imsplitbit/nova,redhat-openstack/nova,TieWei/nova,cloudbase/nova-virtualbox,rajalokan/nova,Metaswitch/calico-nova,TieWei/nova,sacharya/nova,jeffrey4l/nova,ewindisch/nova,CiscoSystems/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,mmnelemane/nova,Yusuke1987/openstack_template,devendermishrajio/nova,zhimin711/nova,BeyondTheClouds/nova,redhat-openstack/nova,maoy/zknova,JianyuWang/nova,vmturbo/nova,OpenAcademy-OpenStack/nova-scheduler,apporc/nova,kimjaejoong/nova,eharney/nova,imsplitbit/nova,maelnor/nova,nikesh-mahalka/nova,BeyondTheClouds/nova,sridevikoushik31/nova,CiscoSystems/nova,affo/nova,Yusuke1987/openstack_template,adelina-t/nova,gooddata/openstack-nova,sacharya/nova,alvarolopez/nova,alvarolopez/nova,zaina/nova,barnsnake351/nova,vladikr/nova_drafts,shahar-stratoscale/nova,dims/nova,cyx1231st/nova,gooddata/openstack-nova,sridevikoushik31/openstack,fnordahl/nova,Metaswitch/calico-nova,tudorvio/nova,iuliat/nova,akash1808/nova_test_latest,double12gzh/nova,ted-gould/nova,MountainWei/nova,felixma/nova,thomasem/nova,TwinkleChawla/nova,cloudbase/nova,gspilio/nova,sebrandon1/nova,eonpatapon/nova,maheshp/novatest,jianghuaw/nova,tangfeixiong/nova,leilihh/novaha,Triv90/Nova,mandeepdhami/nova,shail2810/nova,joker946/nova,devendermishrajio/nova,yrobla/nova,vladikr/nova_drafts,CEG-FYP-OpenStack/scheduler,hanlind/nova,bgxavier/nova,thomasem/nova,tangfeixiong/nova,eayunstack/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,Juniper/nova,klmitch/nova,double12gzh/nova,spring-week-topos/nova-week,alaski/nova,fnordahl/nova,maelnor/nova,jianghuaw/nova,akash1808/nova_test_latest,DirectXMan12/nova-hacking,yrobla/nova,yosshy/nova,Tehsmash/nova,Stavitsky/nova,mahak/nova,edulramirez/nova,saleemjaveds/https-github.com-openstack-nova,eonpatapon/nova,projectcalico/calico-nova,noironetworks/nova,takeshineshiro/nova,leilihh/nova,virtualopensystems/nova,Triv90/Nova,berrange/nova,rickerc/nova_audit,CCI-MOC/nova,hanlind/nova,DirectXMan12/nova-hacking,JioCloud/nova_test_latest,blueboxgroup/nova,eayunstack/nova,sridevikoushik31/nova,cernops/nova,cloudbase/nova,mgagne/nova,alexandrucoman/vbox-nova-driver,Triv90/Nova,tealover/nova,JioCloud/nova,mikalstill/nova,cloudbau/nova,shootstar/novatest,JioCloud/nova,isyippee/nova,yosshy/nova,qwefi/nova,orbitfp7/nova,joker946/nova,phenoxim/nova,NeCTAR-RC/nova,BeyondTheClouds/nova,sridevikoushik31/nova,isyippee/nova,zhimin711/nova,JioCloud/nova_test_latest,Francis-Liu/animated-broccoli,saleemjaveds/https-github.com-openstack-nova,rickerc/nova_audit,akash1808/nova,zzicewind/nova,dstroppa/openstack-smartos-nova-grizzly,berrange/nova,adelina-t/nova,projectcalico/calico-nova,rahulunair/nova,tianweizhang/nova,rrader/nova-docker-plugin,zaina/nova,yrobla/nova,tealover/nova,dstroppa/openstack-smartos-nova-grizzly,cernops/nova,shahar-stratoscale/nova,CCI-MOC/nova,barnsnake351/nova,devendermishrajio/nova_test_latest,tianweizhang/nova,watonyweng/nova,rajalokan/nova,silenceli/nova,dstroppa/openstack-smartos-nova-grizzly,devoid/nova,felixma/nova,shootstar/novatest,ruslanloman/nova,devoid/nova,viggates/nova,sridevikoushik31/openstack,affo/nova,gooddata/openstack-nova,bclau/nova,orbitfp7/nova,Juniper/nova,phenoxim/nova,Stavitsky/nova,mahak/nova,LoHChina/nova,blueboxgroup/nova,badock/nova,silenceli/nova,mgagne/nova,alexandrucoman/vbox-nova-driver,varunarya10/nova_test_latest,rahulunair/nova,sebrandon1/nova,mahak/nova,citrix-openstack-build/nova,jianghuaw/nova,apporc/nova,bigswitch/nova,openstack/nova,leilihh/novaha,eharney/nova,rahulunair/nova,vmturbo/nova,j-carpentier/nova,kimjaejoong/nova,tanglei528/nova,ntt-sic/nova,dawnpower/nova,CloudServer/nova,cloudbau/nova,ted-gould/nova,jianghuaw/nova,scripnichenko/nova,belmiromoreira/nova,raildo/nova,rajalokan/nova,DirectXMan12/nova-hacking,LoHChina/nova,klmitch/nova,openstack/nova,MountainWei/nova,gooddata/openstack-nova,angdraug/nova,maheshp/novatest,rajalokan/nova,virtualopensystems/nova,dawnpower/nova,ewindisch/nova,gspilio/nova,CEG-FYP-OpenStack/scheduler,petrutlucian94/nova_dev,SUSE-Cloud/nova,Francis-Liu/animated-broccoli,dims/nova,viggates/nova,jeffrey4l/nova,zzicewind/nova,plumgrid/plumgrid-nova,plumgrid/plumgrid-nova,cloudbase/nova,citrix-openstack-build/nova,belmiromoreira/nova,petrutlucian94/nova_dev,openstack/nova,spring-week-topos/nova-week,bgxavier/nova,sebrandon1/nova,qwefi/nova,whitepages/nova,mikalstill/nova,varunarya10/nova_test_latest,vmturbo/nova,nikesh-mahalka/nova,Juniper/nova,bclau/nova,JianyuWang/nova,CloudServer/nova,cernops/nova,devendermishrajio/nova_test_latest,badock/nova,sridevikoushik31/nova,bigswitch/nova,rrader/nova-docker-plugin,mmnelemane/nova,TwinkleChawla/nova,tanglei528/nova,shail2810/nova,ruslanloman/nova